LCM for 55 and 65
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What's the Least Common Multiple (LCM) of 55 and 65?
Answer
LCM of 55 and 65 is
715
First common multiples: 715; 1,430; 2,145; …
715 is divisible by both: 715 ÷ 55 = 13, 715 ÷ 65 = 11 — and 13 and 11 share no factor but 1, so no smaller number is. As a common denominator: multiply the top and bottom of x/55 by 13 and of y/65 by 11.
55 = 5 × 11
65 = 5 × 13
| Prime | 55 | 65 | Highest power |
|---|---|---|---|
| 5 | 5 | 5 | 5 |
| 11 | 11 | — | 11 |
| 13 | — | 13 | 13 |
— = power 0: the prime is not a factor of this number; the LCM takes it from the number that has it.
LCM = 5 × 11 × 13 = 715
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- Greatest Common Factor - Find the Greatest Common Factor (GCF) of two numbers
- Least Common Multiple of 3 Numbers - Find the Least Common Multiple (LCM) of three numbers
- Greatest Common Factor of 3 Numbers - Find the Greatest Common Factor (GCF) of three numbers
- Multiples of a Number - List the first 10 multiples of any number from 1 to 999
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